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111 lines
3.8 KiB
Objective-C
111 lines
3.8 KiB
Objective-C
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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#import "YapDatabaseTransaction+OWS.h"
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#import <Curve25519Kit/Curve25519.h>
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NS_ASSUME_NONNULL_BEGIN
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@implementation YapDatabaseReadTransaction (OWS)
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- (nullable id)objectForKey:(NSString *)key inCollection:(NSString *)collection ofExpectedType:(Class) class {
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id _Nullable value = [self objectForKey:key inCollection:collection];
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return value;
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}
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- (nullable NSDictionary *)dictionaryForKey : (NSString *)key inCollection : (NSString *)collection
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{
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return [self objectForKey:key inCollection:collection ofExpectedType:[NSDictionary class]];
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}
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- (nullable NSString *)stringForKey:(NSString *)key inCollection:(NSString *)collection
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{
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return [self objectForKey:key inCollection:collection ofExpectedType:[NSString class]];
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}
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- (BOOL)boolForKey:(NSString *)key inCollection:(NSString *)collection defaultValue:(BOOL)defaultValue
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{
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NSNumber *_Nullable value = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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return value ? [value boolValue] : defaultValue;
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}
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- (nullable NSData *)dataForKey:(NSString *)key inCollection:(NSString *)collection
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{
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return [self objectForKey:key inCollection:collection ofExpectedType:[NSData class]];
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}
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- (nullable ECKeyPair *)keyPairForKey:(NSString *)key inCollection:(NSString *)collection
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{
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return [self objectForKey:key inCollection:collection ofExpectedType:[ECKeyPair class]];
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}
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- (int)intForKey:(NSString *)key inCollection:(NSString *)collection
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{
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NSNumber *_Nullable number = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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return [number intValue];
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}
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- (nullable NSDate *)dateForKey:(NSString *)key inCollection:(NSString *)collection
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{
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NSNumber *_Nullable value = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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if (value) {
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return [NSDate dateWithTimeIntervalSince1970:value.doubleValue];
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} else {
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return nil;
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}
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}
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@end
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#pragma mark -
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@implementation YapDatabaseReadWriteTransaction (OWS)
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#pragma mark - Debug
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#if DEBUG
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- (void)snapshotCollection:(NSString *)collection snapshotFilePath:(NSString *)snapshotFilePath
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{
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NSMutableDictionary<NSString *, id> *snapshot = [NSMutableDictionary new];
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[self enumerateKeysAndObjectsInCollection:collection
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usingBlock:^(NSString *_Nonnull key, id _Nonnull value, BOOL *_Nonnull stop) {
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snapshot[key] = value;
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}];
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NSData *_Nullable data = [NSKeyedArchiver archivedDataWithRootObject:snapshot];
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BOOL success = [data writeToFile:snapshotFilePath atomically:YES];
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}
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- (void)restoreSnapshotOfCollection:(NSString *)collection snapshotFilePath:(NSString *)snapshotFilePath
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{
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NSData *_Nullable data = [NSData dataWithContentsOfFile:snapshotFilePath];
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NSMutableDictionary<NSString *, id> *_Nullable snapshot = [NSKeyedUnarchiver unarchiveObjectWithData:data];
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[self removeAllObjectsInCollection:collection];
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[snapshot enumerateKeysAndObjectsUsingBlock:^(NSString *_Nonnull key, id _Nonnull value, BOOL *_Nonnull stop) {
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[self setObject:value forKey:key inCollection:collection];
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}];
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}
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#endif
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- (void)setBool:(BOOL)value forKey:(NSString *)key inCollection:(NSString *)collection
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{
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NSNumber *_Nullable oldValue = [self objectForKey:key inCollection:collection ofExpectedType:[NSNumber class]];
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if (oldValue && [@(value) isEqual:oldValue]) {
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// Skip redundant writes.
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return;
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}
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[self setObject:@(value) forKey:key inCollection:collection];
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}
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- (void)setDate:(NSDate *)value forKey:(NSString *)key inCollection:(NSString *)collection
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{
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[self setObject:@(value.timeIntervalSince1970) forKey:key inCollection:collection];
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}
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@end
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NS_ASSUME_NONNULL_END
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